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Re: AudioUnit and FFT (Daniel Todd Currie)
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Re: AudioUnit and FFT (Daniel Todd Currie)


  • Subject: Re: AudioUnit and FFT (Daniel Todd Currie)
  • From: "Jay Ridgeway" <email@hidden>
  • Date: Wed, 17 Mar 2004 14:03:16 -0500 (EST)
  • Organization: AOL

Hmmm... this works. Excellent!

How do you find the frequency associated with a particular index in the
outputData float array? Thanks.

Jay

email@hidden wrote on 2/28/04, 1:00 AM:

>
> A very simple implementation using FFTW on a single-channel array is as
> easy as this:
>
> > fftwf_plan p;
> >
> > p = fftwf_plan_r2r_1d(fftSize, inputData, outputData, FFTW_R2HC,
> > FFTW_ESTIMATE);
> >
> > fftwf_execute(p);
> > fftwf_destroy_plan(p);


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serve as a common language, defining quality and establishing safety
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-- American Society of Testing and Materials (ASTM)
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